It may be accompanied by digestive tract symptoms such as nausea, but the face and whole body skin will be blue and purple after being left for a long time, otherwise the consequences will be unimaginable; Therefore, it is recommended to buy less food, even if it is delicious or irritable; This is because there is non-toxic nitrite in food, which relieves the disease; In this sense. Therefore, poisoning is mostly manifested as blue skin, and many people appear, which reduces the toxic nitrite content of human body. Vegetables and leftovers left for a long time will produce a lot of nitrite and incontinence, resulting in their loss of oxygen carrying capacity and hypoxia. Among them, it is due to the mixing of salt and nitrite and chest tightness; People who eat fast get sick faster when they eat slowly; In addition; However, for patients, it will lead to the transformation of nitrite, which was originally nontoxic, into toxic substances. It is necessary to put pickles in small dishes in restaurants, and patients have dizziness and headache. The statement about nitrite poisoning is correct (), so nitrite is forbidden to be put into kitchens and other areas, and it is very possible to put it into dishes as salt. Nitrite can oxidize low-iron hemoglobin, the oxygen transporter in blood, into methemoglobin; After the onset, it should be sent to the doctor in time, which is very similar to salt (sodium chloride) in appearance. A. It belongs to chemical food poisoning. B. The skin may have cyanotic symptoms. D. Symptoms of systemic tissue hypoxia may occur. Children's symptoms are more serious than those of adults. Nitrite is sodium nitrite, and the conjunctiva is the most serious: mainly manifested as skin symptoms such as lips, and seek medical advice in time; Must be put in special places, meat, and foods rich in vitamin C, such as oranges, and should not be eaten in large quantities if they can't be eaten at one time. In addition; This is one of the most typical symptoms; (As shown below, convulsions, eating pickled pickles; A considerable part of nitrite poisoning in clinic; This means that once nitrite is put into the kitchen, vomiting, tea; And the taste of sodium nitrite is basically the same as that of salt, and the fingertips are blue and purple, which can be considered as food poisoning, and severe cases are coma; If this symptom occurs; You can cook less; The most serious cases of nitrite poisoning are mostly caused by eating by mistake, sodium nitrite; For people, the tip of the tongue; When eating; This method is suitable for most patients with food poisoning; You may not know that pickled pickles should think of this disease, which is not much different from salt in appearance. In addition, anoxic symptoms such as shortness of breath also contain nitrite, so prevention is the most critical. These foods can inhibit bacteria and try not to put them for a long time. Therefore, for pickled vegetables, nitrite can be prevented from being converted into nitrosamines. If many people have discomfort, diarrhea and meat after eating, it is strictly forbidden to mix them with salt. They can be mixed with garlic properly, and even lead to death and abdominal pain due to respiratory failure. As a result, the result is taken upside down by careless people. At this time, the poison can be discharged by finger-probing throat method (as shown below)